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author | Alexander Harkness <bearbin@gmail.com> | 2013-12-21 13:59:41 +0100 |
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committer | Alexander Harkness <bearbin@gmail.com> | 2013-12-21 13:59:41 +0100 |
commit | d777c7efd9fa63f56291f1d77e446e17b33b0707 (patch) | |
tree | d928255c433d59b38690b2391caf83ff1c248d53 /Tests/NoiseTest/NoiseTest.cpp | |
parent | Marked stats.cmd as executable so it can be run on linux (diff) | |
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Diffstat (limited to 'Tests/NoiseTest/NoiseTest.cpp')
-rw-r--r-- | Tests/NoiseTest/NoiseTest.cpp | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/Tests/NoiseTest/NoiseTest.cpp b/Tests/NoiseTest/NoiseTest.cpp deleted file mode 100644 index 5542f3ca6..000000000 --- a/Tests/NoiseTest/NoiseTest.cpp +++ /dev/null @@ -1,101 +0,0 @@ - -// NoiseTest.cpp - -// Implements the main app entrypoint - -#include "Globals.h" -#include <time.h> -#include "Noise.h" - - - - - -void SaveValues(NOISE_DATATYPE * a_Values, const AString & a_FileName) -{ - cFile f; - if (!f.Open(a_FileName, cFile::fmWrite)) - { - LOGWARNING("Cannot write file %s", a_FileName.c_str()); - return; - } - for (int y = 0; y < 256; y++) - { - unsigned char val[256]; - for (int x = 0; x < 256; x++) - { - val[x] = std::min(255, std::max(0, (int)(256 * a_Values[x + 256 * y]))); - } - f.Write(val, 256); - } -} - - - - - -clock_t TestCubicNoise(void) -{ - cCubicNoise Cubic(0); - NOISE_DATATYPE Values[256 * 256]; - - // Do a speed test: - clock_t Begin = clock(); - for (int i = 0; i < 1000; i++) - { - Cubic.Generate2D(Values, 256, 256, 0, (NOISE_DATATYPE)25.6, 0, (NOISE_DATATYPE)25.6); - } - clock_t Ticks = clock() - Begin; - LOG("cCubicNoise generating 1000 * 256x256 values took %d ticks (%.02f sec)", Ticks, (double)Ticks / CLOCKS_PER_SEC); - - // Save the results into a file for visual comparison: - SaveValues(Values, "NoiseCubic.raw"); - - return Ticks; -} - - - - - -clock_t TestOldNoise(void) -{ - cNoise Noise(0); - NOISE_DATATYPE Values[256 * 256]; - - // Do a speed test: - clock_t Begin = clock(); - for (int i = 0; i < 1000; i++) - { - for (int y = 0; y < 256; y++) - { - float fy = (float)y / 10; - for (int x = 0; x < 256; x++) - { - Values[x + 256 * y] = Noise.CubicNoise2D((float)x / 10, fy); - } // for x - } // for y - } - clock_t Ticks = clock() - Begin; - LOG("cNoise generating 1000 * 256x256 values took %d ticks (%.02f sec)", Ticks, (double)Ticks / CLOCKS_PER_SEC); - - // Save the results into a file for visual comparison: - SaveValues(Values, "NoiseOld.raw"); - - return Ticks; -} - - - - - -int main(int argc, char * argv[]) -{ - new cMCLogger(); // Create a logger (will set itself as the main instance - - clock_t NewTicks = TestCubicNoise(); - clock_t OldTicks = TestOldNoise(); - LOG("New method is %.02fx faster", (double)OldTicks / NewTicks); - LOG("Press Enter to quit program"); - getchar(); -} |